When it comes to primate species from across the globe, they don't get much cuter than the pygmy marmosets of the Amazon Rainforest, aka the smallest species of monkeys in the world. These little ...

Everyone needs a best friend in life and from the look of it, Ninita the pygmy marmoset has found hers in the form of a toothbrush. Watching the tiny monkey bliss out as her caretakers massage her fur ...

Pygmy marmoset cubs are pictured with their mother in their enclosure at the Mulhouse Zoo, eastern France — SEBASTIEN BOZON Naming others is considered a marker of highly advanced cognition in social ...

A rare newborn albino Pygmy Marmoset monkey perches on a zookeeper's thumb at Froso Zoo in Ostersund, Sweden August 22, 2006. The Pygmy Marmoset, which lives in the upper Amazon basin in South America ...

CC0 Usage Conditions ApplyClick for more information. Pygmy marmosets are the world's smallest monkeys, measuring just five inches in body length and weighing only four ounces. From their adorable ...

Source: Dario Sanches, via Wikimedia Commons. Marmosets and other small, tree-dwelling monkeys must be vigilant to survive in the wild. After all, predators ranging from snakes to raptors to cats want ...

Naming others is considered a marker of highly advanced cognition in social animals, previously observed only in humans, bottlenose dolphins and African elephants. Marmoset monkeys have now joined ...